/Engine/Plugins/Interchange/Runtime/Source/Pipelines/Public/InterchangePipelineMeshesUtilities.h
This container exist only because UPROPERTY cannot support nested container. SeeFInterchangeMeshInstance
[USTRUCT](Programming/UnrealArchitecture/Reference/Structs)([BlueprintType](Programming/UnrealArchitecture/Reference/Structs/Specifiers/BlueprintType)) struct FInterchangeLodSceneNodeContainer
TArray<TObject...
SceneNodes
Each scene node here represent a mesh scene node.